| 2026-06-09 | Airport raced through in "Home Alone," in brief |
| 2026-01-28 | Number indicating position: Abbr. |
| 2026-01-20 | Chicago airport code |
| 2025-09-26 | Chicago airport code |
| 2025-09-16 | Chicago airport code |
| 2025-04-13 | Airport alternative to MDW |
| 2023-10-22 | O'Hare identifier |
| 2023-08-21 | Chicago airport code |
| 2023-03-31 | Airport at one end of the Kennedy Expwy. |
| 2022-08-25 | Windy City airport code |
| 2022-05-28 | Chi-Town airport code |
| 2021-12-23 | Chicago airport code |
| 2020-03-05 | Chicago airport code |
| 2020-02-05 | Chicago airport code |
| 2019-10-08 | Chicago airport code |
| 2019-03-17 | Airport code for O'Hare |
| 2019-01-12 | Onetime California fort |
| 2018-12-28 | America's busiest airport after ATL and LAX |
| 2018-08-12 | Chicago airport code |
| 2018-06-01 | Former fort named for a Union general |
| 2018-05-06 | Code on a bag to Chicago |
| 2018-03-30 | Chicago airport code |
| 2018-03-11 | Chicago terminal code |
| 2018-01-21 | Chicago airport code |
| 2017-09-25 | California's old Fort ___ |
| 2015-03-30 | Chicago airport code |
| 2014-10-26 | Windy City terminal code |
| 2014-05-20 | Former fort on Monterey Bay |
| 2013-05-05 | California's old Fort ___ |
| 2012-08-05 | California's historic Fort ___ |
| 2010-07-23 | Fort named for a Civil War major general |
| 2009-10-17 | Municipal reg. |
| 2009-09-02 | California's Fort ___ |
| 2009-06-25 | JFK : New York :: ___ : Chicago |
| 2007-10-03 | Fort ___ on Monterey Bay |
| 2007-08-28 | Fort ___, former Army post on Monterey Bay |
| 2007-03-20 | Traffic reg., e.g. |
| 2006-06-19 | Kind of number: Abbr. |
| 2006-04-12 | Fort ___, Calif. |
| 2006-03-13 | City reg. |
| 2006-03-06 | California's Fort ___ |
| 2005-07-17 | Statute: Abbr. |
| 2004-11-15 | Run-of-the-mill: Abbr. |
| 2004-06-27 | Former California fort |
| 2004-03-28 | California's Fort ___ |
| 2003-05-18 | Chicago airport letters |
| 2002-04-14 | California's Fort ___ Dunes |
| 2002-03-19 | Former California fort |
| 2001-03-04 | La Guardia : LGA :: O'Hare : ___ |
| 2001-01-22 | Run-of-the-mill: Abbr. |
| 2000-03-12 | Run-of-the-mill: Abbr. |
| 1999-11-14 | First or second, e.g.: Abbr. |
| 1999-10-22 | Certain no. |
| 1998-11-20 | Certain number: Abbr. |
| 1998-10-26 | California's Fort ___ |
| 1998-03-29 | Like some numbers: Abbr. |
| 1998-03-17 | California fort named for a Union general |
| 1997-12-25 | California's Fort ___ |
| 1997-10-07 | California's Fort ___ |
| 1996-09-07 | Fort near Monterey |
| 1995-12-22 | California's historic Fort ____ |
| 1995-11-02 | California fort |
| 1995-09-12 | California fort |
| 1995-01-26 | California fort |